# PDF Assistant：PDF Scanner App vs PDF Scanner OCR

The clearest difference is in-app purchases: PDF Assistant：PDF Scanner App at none against PDF Scanner OCR's 1. PDF Scanner OCR's advantage is iOS requirement (14.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PDF Scanner OCR sells 1 one-off in-app purchase. PDF Assistant：PDF Scanner App asks for nothing beyond the download.

PDF Assistant：PDF Scanner App ships an update every 5 months, PDF Scanner OCR every 3 months. The most recent releases landed on October 20, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | PDF Assistant：PDF Scanner App | PDF Scanner OCR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Size | 3 MB | 19 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [雪娟 柳](https://appshunter.io/developer/1678459771) | [Hany Elmehy](https://appshunter.io/developer/959484887) |

## What reviewers say

### PDF Assistant：PDF Scanner App

[App page](https://appshunter.io/ios/app/pdf-assistantpdf-scanner-app/id6756697919)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Scanner OCR

[App page](https://appshunter.io/ios/app/pdf-scanner-ocr-smart-scan/id6756897437)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $3.99 | one-time |


## Frequently asked questions

### Is PDF Assistant：PDF Scanner App free?

PDF Assistant：PDF Scanner App is free to download, with no in-app purchases.

### Is PDF Scanner OCR free?

PDF Scanner OCR is free to download, with in-app purchases available.

### Do PDF Assistant：PDF Scanner App or PDF Scanner OCR have ads?

Neither PDF Assistant：PDF Scanner App nor PDF Scanner OCR shows ads.

### Which is updated more often, PDF Assistant：PDF Scanner App or PDF Scanner OCR?

PDF Assistant：PDF Scanner App ships an update every 5 months, and PDF Scanner OCR every 3 months. Most recently, PDF Assistant：PDF Scanner App was updated on October 20, 2026 and PDF Scanner OCR on October 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*